WO2021099485A1 - Clé comprenant une partie de codage mécanique à cavités internes, serrure pour ladite clé et procédé de fabrication de ladite clé au moyen d'un procédé de fabrication additive - Google Patents

Clé comprenant une partie de codage mécanique à cavités internes, serrure pour ladite clé et procédé de fabrication de ladite clé au moyen d'un procédé de fabrication additive Download PDF

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Publication number
WO2021099485A1
WO2021099485A1 PCT/EP2020/082722 EP2020082722W WO2021099485A1 WO 2021099485 A1 WO2021099485 A1 WO 2021099485A1 EP 2020082722 W EP2020082722 W EP 2020082722W WO 2021099485 A1 WO2021099485 A1 WO 2021099485A1
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WO
WIPO (PCT)
Prior art keywords
key
coding
lock
inner cavities
sensor
Prior art date
Application number
PCT/EP2020/082722
Other languages
English (en)
Inventor
Alejandro Ojeda
Original Assignee
Urbanalps Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Urbanalps Ag filed Critical Urbanalps Ag
Priority to EP20807056.5A priority Critical patent/EP4062014A1/fr
Publication of WO2021099485A1 publication Critical patent/WO2021099485A1/fr

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B19/00—Keys; Accessories therefor
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B17/00—Accessories in connection with locks
    • E05B17/0004—Lock assembling or manufacturing
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
    • E05B47/0012—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with rotary electromotors
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B49/00—Electric permutation locks; Circuits therefor ; Mechanical aspects of electronic locks; Mechanical keys therefor
    • E05B49/002—Keys with mechanical characteristics, e.g. notches, perforations, opaque marks
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C9/00658—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by passive electrical keys
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B29/00—Cylinder locks and other locks with plate tumblers which are set by pushing the key in
    • E05B29/0066—Side bar locking

Definitions

  • the present invention relates to a key including a mechanical coding part.
  • Keys known in the art which are configured to be used in an electronic access control system, include some electronic means defining the coding of the key in form of a digital ID. Though, the addition of such electronic means makes the control system more flexible and convenient versus the classic mechanical key, it is more complicated and more expensive than a purely mechanical control system.
  • a low cost possibility would be the usage of a bar code, such as used e.g. in receipts and parking tickets, as a digital ID.
  • a bar code such as used e.g. in receipts and parking tickets
  • this is a visual mean, which can be easily photographed, read and duplicated, and thus is not useful for security applications.
  • a key which includes an inner plate, which has holes defining a coding and which is covered at both sides by side plates.
  • the inner plates and the side plates have to be made of different material in order to detect the holes. Fabrication of such a key is complicated as it composed of several parts and of different material. In addition, the connection between the plates may loosen so that the key may be become unusable.
  • a key according to claim 1 is provided. Also, a lock according to claim 11 is provided.
  • the further claims specify additional embodiments of the key as well as a lock and a method for fabricating the key.
  • the key according to the invention includes a mechanical coding part, which comprises inner cavities defining a coding of the key.
  • the inner cavities are limited by boundaries defined by walls made in one piece. Since the walls enclose the inner cavities such that the boundaries are invisible from outside, the coding part cannot be read e.g. by taking a photograph and is therefore safe against unauthorized duplication.
  • the inner cavities may be configured such that they encode information on the key coding in a similar way as e.g. a bar code would do.
  • the coding of the key defined by the inner cavities is predetermined.
  • a key having a reproducible coding can be provided.
  • the walls defining the boundaries of the inner cavities are of the same material, e.g. they are produced by an additive manufacturing process.
  • the key comprises an outer surface, which is structured to define an additional coding of the key.
  • the coding possibilities of the key can be enhanced.
  • the purely mechanical key with its 2 nd authentication level is free of any electronics and therefore can be easily provided in a waterproof manner. It may bring together the security of the pure mechanical code (classic mechanical key) and the access control, convenience and flexibility of an electronic ID by using a "digitally read" mechanical code instead of a classical chip.
  • the at least one first sensor is configured to detect the inner cavities limited by boundaries defined by walls made in one piece of the same material.
  • the at least one first sensor may detect the inner cavities of the key by ultrasound, X-ray, magnetic resonance, magnetic induction and/or by determining the electrical conductivity.
  • the at least one first sensor may include for instance an eddy current sensor.
  • the at least one sensor may emit an electromagnetic field and may detect changes in the field when the key shank is introduced into the keyway of the lock.
  • the memory serves for storing information on the time periods when the key is authorized to open and close the lock.
  • the time periods define e.g. one or more particular instants of time during a day, particulars day of a week, particular dates and/or other times.
  • the lock may be configured such that information on the instant of time when the lock was opened and/or closed by the key is registered in the memory. Such information may serve as an entry logs recording.
  • the lock comprises at least one third sensor to determine the velocity with which the key shank is introduced into the keyway.
  • a pattern may be included on and/or in the key shank and may be detected by the at least one third sensor.
  • the at least one first sensor may serve as the at least one third sensor or may be different from the at least one third sensor.
  • the lock may comprise a control unit which is configured to receive signals from the at least one first sensor and from the at least one third sensor and to determine the shape, the dimensions and/or position of each inner cavity of the key based on these signals.
  • the lock comprises an energy source e.g. a battery.
  • the lock comprises means for energy harvesting. Such means may be configured to power the lock by energy produced when inserting the key into the keyway .
  • Fig. 1 shows a key according to a first embodiment
  • Fig. 2 shows the key of Fig. 1 in a transparent mode so that the inner configuration is visible
  • Fig. 3 shows the key of Fig. 1 sectioned along its longitudinal side
  • Fig. 4 shows an enlarged view of the sectioned key of Fig. 3;
  • Fig. 5 shows the front part of a first variant of a key in a transparent mode
  • Fig. 6 shows the key of Fig. 5 sectioned transversally to its longitudinal side
  • Fig. 7 shows the front part of a second variant of a key in a transparent mode
  • Fig. 8 shows the key of Fig. 7 sectioned transversally to its longitudinal side
  • Fig. 9 shows the front part of a third variant of a key in a transparent mode
  • Fig. 10 shows the key of Fig. 9 sectioned transversally to its longitudinal side
  • Fig. 11 shows another variant of a key
  • Fig. 12 shows the key of Fig. 11 in a transparent mode
  • Fig. 13 shows part of a lock, in which the key of Fig. 1 is inserted
  • Fig. 14 shows the part of the lock of Fig. 13 sectioned along the middle plane, wherein also the housing is shown;
  • Fig. 15 shows another part of the lock of Fig. 13
  • Fig. 16 shows still another part of the lock of Fig. 13;
  • Fig. 17 shows a detail of the lock of Fig. 13;
  • Fig. 18 shows a door with a key and an embodiment of a lock with components separated from each other.
  • Fig. 1 shows an embodiment of a key, which has a handling part 9, e.g. a bow, and a key shank 10 extending from the handling part 9 in the extension direction X.
  • the latter corresponds to the direction along which the key can be inserted into the keyway of a lock.
  • the key shank 10 has a middle portion 11, which is provided with inner cavities. The latter are indicated in Fig. 1 by dotted weak lines.
  • Fig. 2 shows the key in a transparent mode so that the boundaries of the inner cavities 20 are visible.
  • the inner cavities 20 are arranged along the X-direction.
  • the dimension A of a cavity 20 measured in the X-direction may vary.
  • Fig. 4 e.g., cavities 20, which are longer and are shorter with regard to the dimension A are arranged in an alternating manner along the X-direction.
  • the distance between two adjacent cavities 20, denoted by B in Fig. 4 may also vary or may be constant.
  • the inner cavities 20 may encode information in a similar way as a bar code which may be made up of lines and spaces of various widths.
  • An inner cavity 20 may be fully enclosed by inner walls or it may have one or more openings extending to the outside.
  • Fig. 5 and 6 show an example, in which each cavity 20a is limited by closed walls 21a-21f.
  • each cavity 20a is limited by side walls 21a-21d, which are arranged between a bottom wall 21e and a top wall 21f.
  • Fig. 7 and 8 show an example of a key having closed cavities 20a as in the example of Fig. 6 and cavities 20b with openings 22a, 22c.
  • a cavity 20b is limited by closed side walls 22b and 22d, which are arrsuiged between a closed bottom wall 22e and a closed top wall 22f.
  • sui opening 22a and 22c Between the ends of the side walls 22b and 22d there is sui opening 22a and 22c, respectively, which is connected to a groove 25a and 25b, respectively.
  • the groove 25a, 25b is formed on the underside of the key shank 11.
  • wall portion 12a and 12b, respectively are arranged transversally to the cavity 20b covering the openings 22a, 22s such that they are invisible from outside.
  • the groove 25a, 26b is open, it is not possible to see through an opening 22a, 22c to identify the boundaries of the cavity 20b.
  • Fig. 9 and 10 show an example, in which no closed cavities are provided, only cavities 20b with openings 22a, 22c such as in the example of Fig. 7.
  • Fig. 11 and 12 show an example, in which the key shank 10 is provided with a pattern 28, formed by dots, which are arrsuiged along the X-direction, preferably in an equidistant manner.
  • a pattern in the key shank 10 by providing e.g. inner cavities forming the pattern.
  • the inner cavities 20 shown so far are only one example for encoding information. It is conceivable to shape and/or arrange them in another way, so that a coding is defined by the shapes, the dimensions and/or the positions of the inner cavities.
  • the inner cavities 20 may be arranged along a line with a predetermined length, in a two-dimensional area with a predetermined length and a predetermined width or in a three-dimensional space with a predetermined length, a predetermined width and a predetermined height.
  • the embodiment shown here has a second mechanical coding by structuring an outer surface of the key shank 10.
  • the key shank has a semi-closed profile enclosing at least partially the second mechanical coding part.
  • the key shank 10 has an arcuate middle portion 11 connecting two side portions 12a, 12c each being connected to a return portion 13a, 13b.
  • the key shank 10 is shaped towards its middle of the key shank 10, e.g. U- shaped.
  • the portions 12a and 13a as well as the portions 12b and 13b enclose an outer coding cavity 14a and 14b, respectively, in which the second mechanical coding is formed, e.g. in form of one or more coding tracks.
  • a coding track extends along the key shank 10 and may have e.g. a wavelike course, see the coding tracks 15a, 15b in Fig. 2,
  • a coding track 15a, 15b may be formed e.g. by a line of successive channel portions and/or ridge portions.
  • an outer cavity 14a, 14b is not fully hidden, so that e.g. the boundaries defining the forward end as well as a lateral side of the outer cavity 14a, 14b is visible from outside.
  • the portions 12a, 12b, 13a, 13b prevent that e.g. the full coding track 15a, 15b mentioned above can be identified from outside.
  • the walls 21a-21f, 22b, 22d-21f defining the boundaries of the inner cavities 20, 20a and optionally other parts of the key may be produced as a single piece by an additive manufacturing process, e.g. selective laser melting (SLM), laser sintering, laser melting, electron beam melting, fused deposition modeling, material jetting, photopolymer jetting, binder jetting, stereolithography and injection.
  • SLM selective laser melting
  • laser sintering laser melting
  • electron beam melting fused deposition modeling
  • material jetting photopolymer jetting
  • binder jetting stereolithography and injection.
  • injection e.g. selective laser melting
  • the powder or the like used in the additive manufacturing process may be remain in the cavity 20a.
  • the power can be extracted therethrough e.g. by vacuuming so that the cavity 20b is emptied.
  • the key is a purely mechanical key such that it is free of electronics, in particular of a chip.
  • Fig. 13 to 16 show an embodiment of a lock which can be operated by the key described above.
  • the lock comprises a plug 40, which includes a keyway configured to receive the key shank 10 of the key, a housing 41 with a circular cylindrical opening, in which the plug 40 is accommodated, at least one blocking bar 42, which is arranged between the plug 40 and the housing 40 to prevent a rotation of the plug 40 with respect to the housing 41 when the lock is not in the fully unlocked state, and one or more validating elements 43 configured to cooperate with the key introduced into the keyway to read the second mechanical coding part 15a, 15b.
  • the lock comprises also a device for reading the first coding part defined by the inner cavities 20 of the key and for blocking/unblocking the lock.
  • the device includes the following components:
  • a sensor (“scanning probe") 51 for detecting the inner cavities 20 and for providing a corresponding signal.
  • the sensor 51 is configured to sense a limited space of the key shank 10 only. Thus, the sensor 51 senses consecutively the inner cavities 20 as the key shank 10 is introduced into the keyway and moved along the sensor 51.
  • the sensor 51 may be configured differently, so that it detects more than one cavity at the same time.
  • the sensor 51 is configured to detect the inner cavities 20 by ultrasound, X-ray, magnetic resonance, magnetic induction and/or by determining the electrical conductivity.
  • a control unit 52 for receiving the signal from the sensor 51 and for determining the coding based on said signal.
  • the control unit 52 may include electronic components, e.g. a memory for storing predetermined coding information, and a comparator for comparing the determined coding with the stored coding information to determine whether the determined coding is correct or incorrect.
  • An actuator 53 for blocking or unblocking a locking element 54 is coupled to the control unit 52 to receive a signal therefrom when the determined code of the cavities 20 is correct. In this case the actuator 53 is operated to free the locking element 54.
  • the device 50 may be provided with one or more supplemental sensors, e.g.
  • a sensor for detecting the pattern 28 on the key shank 10 and for sending a corresponding signal to the control unit 52. Based on this signal, the control unit 52 may determine the velocity, with which a user has introduced the key shank 10 into the lock. Based on the determined velocity, the control unit 52 may determine the shape/position of an inner cavity 20 more accurately.
  • a sensor configured to analyse the material composition of the key shank and for sending a corresponding signal to the control unit 52. The latter may compare the information on the analysis of the material conposition with material information stored in the memory for determining whether the key is a duplicate or not.
  • the sensor may be configured such that it can determine deviations of the measured material conqposition from a given material composition defining the "genuine" key.
  • an energy source (not shown) is provided, e.g. a battery. It is also conceivable to provide the device 50 with means for energy harvesting, which are configured to power the lock by energy produced when inserting the key shank 10 into the keyway.
  • Fig. 17 shows an example of the blocking mechanism of the device 50 in more detail.
  • the actuator 53 is e.g. in the form of a step motor and includes a movable shaft, which is provided with a cam 55.
  • the latter acts on the blocking element 54, which is spring loaded, such that it enters into a recess 56 of a ring 57, which is fixed to the plug 40.
  • the second coding part 15a, 15b of the key must also be correct in order to open the lock.
  • the validating elements 43 which are arranged e.g. in a rotatable manner around a rotations axis, have a specific position. If these positions are the correct ones, then the validating elements 43 form together with a recess in the plug 40 a receiving space in which the blocking bar 42 can be received so that it is freed out of the groove in the housing 41. In the completely unlocked state the plug 40 together with components 42, 43 and the key can be rotated with respect to the housing 41.
  • Fig. 18 shows an example with a door D, which includes a first lock part 61 which may include e.g. the components 40- 42 of the lock of Fig. 15 and a second lock part 62, which is a reading unit and which may include e.g. the components 51, 52 of the device 50.
  • the door D has e.g. a movable latch which engages the door frame and which may be manipulated by the first lock part
  • an evaluation unit 63 which is mounted e.g. on a wall, and a supplemental locking device 64, which cooperates with the door D to block or unblock it.
  • the units 62 and 63 are connected with each other by cables or in a wireless manner.
  • the unit 63 and the locking device 64 are connected with each other by cables or in a wireless manner.
  • the reading unit 62 reads the coding defined by the inner cavities 20, 20a, 20b and sends a corresponding signal to the evaluation unit 63.
  • the latter can signal to the locking device 64 to unblock in case that the coding is correct.
  • evaluation unit 63 it is also conceivable to use the evaluation unit 63 as a memory device which registers the code of the key inserted.
  • the evaluation unit 63 is left away and the locking device 64 is connected to the lock part 62 by cables or in a wireless manner.
  • the key shank 10 of the key described so far serves for a mechanical coding part of the key. It is not mandatory that the key has a key shank. It is conceivable that the key has another form, which includes a mechanical coding part with inner cavities, which form is not necessarily configured to be introduced into a keyway of a lock.
  • the key may be e.g. in form of a card which can be hold against a scanning device of the lock to read the key coding.
  • the key includes a key coding which may be based on cavities whose boundaries are hidden.
  • the key may be configured as an access control's carrier and may also serve as a token. It can be used with an electronic or a mechanical locking system. In comparison to an ordinary key with a fully visible coding or a concealed mechanical code, this coding is completely hidden. This makes it almost impossible to duplicate the key by ordinary means, since the cavities are not accessible from the outside or only in a very limited way, so that no ordinary method may be used for an unauthorized copying.
  • the key may be produced by an additive manufacturing, e.g.
  • 3D metal printing which allows in just one manufacturing step e.g. to produce a mechanical key with a state of the art physical coding and, at the same time, inner cavities representing the "digitally-read "/machine-read coding.
  • the overall cost of a mechatronic/electronic key production may be reduced by a considerable factor, typically of more than ten times, as well as the number of parts, number of suppliers, assembly steps and production space needs.
  • Mechatronic keys are mainly produced today in a limited number of highly specialized factories with multiple expensive components, manufacturing and assembly steps.
  • the present embodiments offer an advanced level of protection against a potential threat of an unauthorized copying of the coding information.
  • One advantage is that no direct duplicate of a code is possible. In case the key code will be read, a real key must be produced. At the same time it brings all the convenience features of electronic systems : key logs, banning, etc.
  • Conceivable non-destructive methods to read/detect the patterns of the enclosed cavities may be ultrasonic-, X-ray-, magnetic resonance-, magnetic induction- or electrical conductivity (eddy current)-probes.
  • a comparative method of an authorization evaluation is based on a process where the original electronic pattern scanned by the device from the master key/token is compared to the electronic pattern scanned from an actual key.
  • Some of the detection methods are unavailable in a portable version driven by a battery or another autonomous source of energy. It makes the coding even less available for an unauthorized copying.
  • Some of the devices stated above may be capable to discern not only the geometry of the cavity in various directions but even other parameters determining if the key is an authorized carrier of access rights for unlocking a matching locking system. This procedure is independent on a velocity of a key inserting into the lock and thus no additional electronic device for various velocity's compensation is needed.
  • a pattern scanning procedure can be based on an absolute value of a distance of cavities from the point of origin determined on a key related to the exact spot where the reading sensor is situated in the lock.
  • Cavities used within a key shank can differ in length, width, depth as well as material of a key is discernible. It means that even in case all cavities would be dimensional identical in a potential duplicate key, the scanning unit would reject the new key if there is a deviation from the original key material 1 s chemical conposition.
  • One embodiment of the key is to adapt a key as disclosed in the patent CZ 306981B6, which is equipped with a pair of coding waves situated on both flanks of the key shank providing free space for hidden cavities.
  • the free space without any surface unevenness provides favourable conditions for scanning by an electronic unit as mentioned above.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Lock And Its Accessories (AREA)

Abstract

L'invention concerne une clé comprenant une partie de codage mécanique (10), qui comprend des cavités internes (20) délimitant un codage de la clé. Les cavités internes sont limitées par des limites définies par des parois faites d'une seule pièce. Les parois entourent les cavités internes de sorte que les limites soient invisibles de l'extérieur. Une serrure conçue pour être utilisée en combinaison avec la clé comprend au moins un premier capteur configuré pour détecter les cavités internes de la clé pour déterminer le codage de la clé et un comparateur pour comparer le codage déterminé avec des informations de codage stockées pour déterminer si le codage déterminé est autorisé ou non.
PCT/EP2020/082722 2019-11-20 2020-11-19 Clé comprenant une partie de codage mécanique à cavités internes, serrure pour ladite clé et procédé de fabrication de ladite clé au moyen d'un procédé de fabrication additive WO2021099485A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20807056.5A EP4062014A1 (fr) 2019-11-20 2020-11-19 Clé comprenant une partie de codage mécanique à cavités internes, serrure pour ladite clé et procédé de fabrication de ladite clé au moyen d'un procédé de fabrication additive

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP19210288.7 2019-11-20
EP19210288 2019-11-20

Publications (1)

Publication Number Publication Date
WO2021099485A1 true WO2021099485A1 (fr) 2021-05-27

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PCT/EP2020/082722 WO2021099485A1 (fr) 2019-11-20 2020-11-19 Clé comprenant une partie de codage mécanique à cavités internes, serrure pour ladite clé et procédé de fabrication de ladite clé au moyen d'un procédé de fabrication additive

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2072742A (en) * 1978-06-06 1981-10-07 Sachs Systemtechnik Gmbh Locking device
DE3409391A1 (de) * 1983-03-14 1984-10-04 Mariano Pamplona Navarra Gomez-Olea Naveda Magneto - elektronisches system zum oeffnen und schliessen von schloessern
DE3423714C1 (de) 1984-06-27 1986-01-09 Deutsche Gerätebau GmbH, 4796 Salzkotten Mit magnetischen Mitteln arbeitendes Schloß mit zugehöriger passend codierter Schlüsselkarte
US6584214B1 (en) * 1999-04-23 2003-06-24 Massachusetts Institute Of Technology Identification and verification using complex, three-dimensional structural features
US20030205070A1 (en) * 1998-04-08 2003-11-06 David Chaum Electronic lock that can learn to recognize any ordinary key
WO2015051475A1 (fr) * 2013-10-11 2015-04-16 Urbanalps Ag Clé et verrou
WO2016162363A1 (fr) * 2015-04-09 2016-10-13 Urbanalps Ag Serrure et clé
CZ306981B6 (cs) 2016-09-01 2017-10-25 UrbanAlps Czech s.r.o. Klíč k ovládání zámku s cylindrickou vložkou a zámek k ověření autorizace tohoto klíče

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2072742A (en) * 1978-06-06 1981-10-07 Sachs Systemtechnik Gmbh Locking device
DE3409391A1 (de) * 1983-03-14 1984-10-04 Mariano Pamplona Navarra Gomez-Olea Naveda Magneto - elektronisches system zum oeffnen und schliessen von schloessern
DE3423714C1 (de) 1984-06-27 1986-01-09 Deutsche Gerätebau GmbH, 4796 Salzkotten Mit magnetischen Mitteln arbeitendes Schloß mit zugehöriger passend codierter Schlüsselkarte
US20030205070A1 (en) * 1998-04-08 2003-11-06 David Chaum Electronic lock that can learn to recognize any ordinary key
US6584214B1 (en) * 1999-04-23 2003-06-24 Massachusetts Institute Of Technology Identification and verification using complex, three-dimensional structural features
WO2015051475A1 (fr) * 2013-10-11 2015-04-16 Urbanalps Ag Clé et verrou
WO2016162363A1 (fr) * 2015-04-09 2016-10-13 Urbanalps Ag Serrure et clé
CZ306981B6 (cs) 2016-09-01 2017-10-25 UrbanAlps Czech s.r.o. Klíč k ovládání zámku s cylindrickou vložkou a zámek k ověření autorizace tohoto klíče
CZ2016529A3 (cs) * 2016-09-01 2017-10-25 UrbanAlps Czech s.r.o. Klíč k ovládání zámku s cylindrickou vložkou a zámek k ověření autorizace tohoto klíče

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